hi there,I have a few tips for you,if that's ok with you...
-the average pegasus has a round mussle,not square-like shown in your picture. Olny alicorns have that.
-same with the wings,usaly they are like
this. normaly alicorns have that type of wing.
-you normaly see olny see one ear at a time,
-eyes are a bit small,
-hoves should be fatter at the end.